| All Patents in class 81/177.75 |
Patents 1 -
15
of 28
      |
| Number | Date | Patentee | Title | Type |
| 751,055 | Feb. 02, 1904 | C. Contal | Ratchet Screw Key | ratchet wrenches |
| 905,070 | Nov. 24, 1908 | J.D. Heck | Wrench and Tool Holder | ratchet wrenches |
| 952,435 | Mar. 15, 1910 | C. Miller | Socket Wrench | wrench handle components |
| 990,382 | Apr. 25, 1911 | H.R. Palmer | Socket-Wrench | socket wrenches |
| 1,167,948 | Jan. 11, 1916 | L.S. Starrett, J.A. Adell | Ratchet wrench | ratchet wrenches |
| 1,239,847 | Sep. 11, 1917 | G. Townill | Universal Screw-Driver | screwdriver mechanisms |
| 1,318,176 | Oct. 07, 1919 | P.M. Quint, M. Quint | Wrench | cylinder tooth wrenches |
| 1,361,130 | Dec. 07, 1920 | P. York | Wrench | wrench handle components |
| RE15,093 | Apr. 26, 1921 | G.R. Fullenwider | Angular Socket Wrench | wrench handle components |
| 1,395,436 | Nov. 01, 1921 | F.K. Lawrence | Turning Tool | universal joints |
| 1,398,234 | Nov. 29, 1921 | H.A. Landis | Variable Angle Screwdriver | screwdriver mechanisms |
| 1,412,284 | Apr. 11, 1922 | S.J. Hellman | Tool Holder | tool holders |
| 1,489,696 | Apr. 08, 1924 | S.A. Campbell | Socket Wrench | socket wrenches |
| 1,498,712 | Jun. 24, 1924 | P. York | Universal-Joint Wrench | wrench handle components |
| 1,498,713 | Jun. 24, 1924 | P. York | Universal Joint Wrench | socket wrenches |
